At Tesla, JB focuses on technical direction and engineering design including battery technology, power electronics, motors, software, firmware and controls. JB also launched many Tesla initiatives including: the Tesla Energy business providing grid storage for commercial utilities and residential consumers; the worldwide Tesla Supercharger network of fast DC chargers; and the Tesla Gigafactory which is leading the way toward increasing worldwide battery production and lowering the cost per kWh. He also has responsibility for new technology evaluation, R&D and technical diligence review of key vendors.